docs: def PDBasXMLwithSymwithPolarH(self, id):
          """
          Adds Hydrogen Atoms to a Structure.
          """
          
          print _WARNING
          # Protonated Structure in XML Format
          h_s_xml = urllib.urlopen("http://www.cmbi.ru.nl/wiwsd/rest/PDBasXMLwithSymwithPolarH/id/" + id)
          self.raw = h_s_xml
          p = self.parser
          h_s_smcra = p.read(h_s_xml, 'WHATIF_Output')
          
          return h_s_smcra